Home / 7,749.02-10,693.77-4,212.24

Finding the Fourth Proportional to 7,749.02, 10,693.77 and 4,212.24

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Solution

The fourth proportional to 7,749.02, 10,693.77 and 4,212.24 is: 5,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.02 : 10,693.77 = 4,212.24 : x
  2. Step 2: Convert to fraction form
    7,749.02/10,693.77 = 4,212.24/x
  3. Step 3: Cross multiply
    7,749.02x = 10,693.77 × 4,212.24
  4. Step 4: Simplify right side
    7,749.02x = 45,044,753.69
  5. Step 5: Solve for x
    x = 45,044,753.69/7,749.02
  6. Step 6: Final answer
    x = 5,812.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.